[1] : The Collaborative International Dictionary of English v.0.48

hallowmas \hal"lowmas\ ha^l"l-om.as, n. see mass
   the eucharist.
   the feast of all saints, or allhallows.
   1913 webster

         to speak puling, like a beggar at hallowmas. --shak.
   1913 webster
see also:
mass 

[2] : WordNet (r) 2.0

hallowmas
     n : a christian feast day honoring all the saints; first
         observed in 835 syn: all saints' day, allhallows, november
         1, hallowmass
see also:
all saints' day allhallows november 1 hallowmass 

Hallowmas >> H Words
Hallowmas, definition of term: Hallowmas
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